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Pure form of Calcium ↑Diagram of Calcium.

Name: Calcium
Symbol: Ca

Atomic Number: 20
Atomic Mass: 40.078 amu
Group Number: 2
Group Name: Alkaline Earth Metals

Number of Protons: 20
Number of Neutrons: 20
Number of Electrons: 20


Appearance at room temperature: Silvery white, Metallic, Solid,. Shiny
Melting Point: 842 celcius
Boiling Point: 1484 celcius

  • It's common in nature, but its not found as a pure substance. Its found as compounds like, calcite, dolomite, and gypsum.